- www.vet.cornell.edu/departments-centers-and-institutes/cornell-feline-health-center/health-information/feline-health-topics/hyperthyroidism-cats – Detailed look at hyperthyroidism and the treatment options in cats.
- www.vetmed.wsu.edu/outreach/Pet-Health-Topics/categories/diseases/hyperthyroidism-in-cats – Covers the signs of and treatment options for hyperthyroidism in cats. Please note that methimazole is sold under the trade name of Felimazole in Australia.
- www.u-vet.com.au/services/small-animal-medicine (the University of Melbourne) and www.seafordvet.com.au/services – Provide referral services to perform radioiodine therapy.